Electrolytic copper foil for lithium secondary battery and lithium secondary battery comprising the same
US10218004B2 · kind B2 · utility
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Key dates
| Filing date | Apr 8, 2016 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Apr 8, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrolytic copper foil for a lithium secondary battery has yield strength of 30 kgf/mm2 to 60 kgf/mm2, a surface area ratio of 1 to 3, and a weight deviation of 3% or below.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.